CN103561872A - A sensor device for a centrifugal separator and a centrifugal separator with such a sensor. - Google Patents
A sensor device for a centrifugal separator and a centrifugal separator with such a sensor. Download PDFInfo
- Publication number
- CN103561872A CN103561872A CN201280023570.1A CN201280023570A CN103561872A CN 103561872 A CN103561872 A CN 103561872A CN 201280023570 A CN201280023570 A CN 201280023570A CN 103561872 A CN103561872 A CN 103561872A
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- China
- Prior art keywords
- sensor device
- transfer element
- sensor
- centrifuge rotor
- nozzle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/02—Casings; Lids
- B04B7/06—Safety devices ; Regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/10—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/04—Periodical feeding or discharging; Control arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/206—Measuring pressure, force or momentum of a fluid flow which is forced to change its direction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/28—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
- G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
- G01P13/0073—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using vibrations generated by the fluid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
Abstract
The invention refers to a sensor device and a centrifugal separator (1). The centrifugal separator comprises a stationary casing (2) and a centrifuge rotor (3), which is provided in the stationary casing and comprises nozzles (7) for discharge of a product. The sensor device comprises a transfer element (21), which has a first part (21') and a second part (21''). The first part (21') is located inside the casing and outside the centrifuge rotor and the second part (21'') is located outside the casing. A receiving head (23) is comprised by the first part of the transfer element. A sensor element (25) is mounted to the second part of the transfer element. An evaluation unit (26) is connected to the sensor element via a conduit (27) for transmitting signals from the sensor element to the evaluation unit. The sensor element senses vibrations propagating from the receiving head to the sensor element. The transfer element is movable in relation to the centrifuge rotor and the stationary casing so that the position of the receiving head is adjustable.
Description
Technical field
The present invention relates to the operation of whizzer that supervision has nozzle by and large, and nozzle is used for discharging product, liquid for example, and it can for example comprise mud or be comprised of mud.Or rather, the present invention relates to according to the sensor device of the whizzer of the preamble of claim 1.The invention still further relates to according to the whizzer of the preamble of claim 13.
Background technology
SE-B-409662 discloses the device of the centrifuge rotor leakage being used to indicate from whizzer.Sensor element is arranged at the front end that receives bar, and reception bar is extending radially outwardly with respect to the rotation of centrifuge rotor.
DE-C-4300199 discloses another sensor device for whizzer.In this document, disclosed whizzer comprises stationary housing and the centrifuge rotor rotating in stationary housing.Centrifuge rotor possesses the nozzle that can open off and on for discharging mud.The object of sensor device is in order to indicate the leakage of the nozzle from opening off and on.Sensor device comprises Receiver, and Receiver is arranged at the next-door neighbour outside of openable nozzle.Passage stretches out through stationary housing from Receiver and has an aperture the atmosphere in the outside of whizzer.When the mud leaking clashes into Receiver, will generate acoustical signal.Acoustical signal outwards moves and can detect by means of acoustic pressure receiver in passage.By this detection, can therefore determine and leak.Such acoustical signal is comparatively responsive for disturbing, and this possibility for assessment signal causes adverse effect.In addition, acoustical signal decays in a satisfactory manner relative to moving lentamente and may being difficult in air.
Summary of the invention
The object of the present invention is to provide a kind of sensor device, it has reliability highly and it is suitable for providing about a plurality of different parameters of whizzer and the information of condition.And, the object of the invention is to a kind of to disturbing and defect has the sensor device of hyposensitivity.
By the sensor device limiting at first, achieved this end, it is characterized in that transfer element is configured to move as follows with respect to centrifuge rotor and stationary housing, make to adjust along rotation the position of Receiver.
When the product from nozzle, for example, when liquid or mud clash into Receiver, will in Receiver and transfer element, form vibration.These vibrations can have 1-600Hz until the different frequency of hundreds of kHz.Such vibration propagates into the extreme environment that is arranged at the sensor element in stationary housing outside and does not therefore directly stand to exist in stationary housing inner side in the material of transfer element with safety and reliable mode.Sensor device according to the present invention can be used for the precise time point of sensing by nozzle discharge product and has the function weakening and the rotary speed that may determine centrifuge rotor to identify which nozzle or which nozzle, and for opening off and on and therefore main closed in the situation that, whether any in nozzle there is less leakage at nozzle.Sensor device according to the present invention provide to vibrate very sensitive sensing and therefore leak the function of whizzer and performance are caused to any having a strong impact on before the stage detects possible leakage very early.Due to the mobility of transfer element, thereby can adjust transfer element and receiving member can be guaranteed sensing liquid or mud reliably with respect to the position of nozzle.And, this adjustment of Receiver position is allowed to definite some different parameters that leave the product of nozzle.
According to embodiments of the invention, sensor device comprises retainer member, and retainer member is configured to extend through stationary housing and is fixedly connected to stationary housing, and wherein transfer element is arranged in retainer member movably.Utilize such retainer member, can allow in mode easily the mobility of transfer element.
According to another embodiment of the present invention, transfer element can be shifted in a longitudinal direction.In this way, can adjust as follows transfer element and Receiver, make Receiver in the optimum position of liquid or mud for example of the product with respect to leaving one or more or whole nozzles.This additional advantage that can displaceability is nozzle wear to be detected.When nozzle is worn, or while for example dividing with any alternate manner defectiveness, the distribution of the product of discharge can be greater than the situation that nozzle is intact.Therefore can detect whether any in nozzle wear and tear and also can detect is in the case which (which) in nozzle.
According to another embodiment of the present invention, transfer element can rotate around longitudinal direction.By this rotatability, can obtain about the information from the possible leakage direction of nozzle.
According to another embodiment of the present invention, sensor element is medially arranged at transfer element place with respect to longitudinal direction.By sensor element being arranged to transfer element central authorities or middle part, it will be positioned at apart from outer end certain distance or compared with distant location.This means that the vibration of propagating process sensor element and returning from outer end in transfer element will be attenuated to following degree, make them no longer affect sensor element and measurement result.
According to another embodiment of the present invention, transfer element is made by the material that is configured to allow described vibration to propagate into sensor element from Receiver.
According to an embodiment more of the present invention, transfer element is the tubulose with described material walls, and described material walls forms closed inner space, and its mesospore is suitable for allowing vibration to propagate into sensor element from Receiver.Therefore the wall of tubulose transfer element by described material for example metal material make, and be particularly suitable for vibration to transfer to sensor element from Receiver.Advantageously, closed inner space is filled attenuating material.In this way, can carry out damped vibration in quick and efficient mode, sensor device can be distinguished from each other out the vibration from different event with reliable fashion.Attenuating material can advantageously comprise sand or mainly sand, consist of.
According to another embodiment of the present invention, sensor element comprises accelerometer, preferably linear accelerometer or have the accelerometer of an axis.Utilize this accelerometer, the vibration with frequency defined above can sense and provide appropriate signals further to transfer to assessment unit with reliable fashion.When determining possible leakage direction, linear accelerometer is particularly advantageous.
According to another embodiment of the present invention, assessment unit is communicated by letter via the pipeline that comprises Zener barrier with sensor element.
According to another embodiment of the present invention, assessment unit is configured to utilize described signal to calculate the rotary speed of centrifuge rotor.
According to another embodiment of the present invention, assessment unit is configured to utilize described signal to determine may leak from nozzle.
This object is also limited by the whizzer limiting at first, it is characterized in that, it comprises as sensor device defined above.
According to still another embodiment of the invention, the described nozzle of centrifuge rotor is forever opened.In such whizzer, the advantage of particular importance is to determine the uninterrupted by the product of nozzle discharge.This can be conducive to test example as one or more whether obstruction the in nozzle, or the chocking-up degree of nozzle.According to above-mentioned restriction, also can determine which in nozzle has certain chocking-up degree.The wearing and tearing of the nozzle of forever opening also can be determined according to the content above limiting.
According to another embodiment of the present invention, described nozzle can be opened off and on.In such whizzer, sensor device of the present invention is particularly conducive to and utilizes assessment unit to determine may leak from nozzle.Sensor device also can be according to this embodiment for measuring the rotary speed of centrifuge rotor.
Accompanying drawing explanation
By the description of various embodiment and with reference to accompanying drawing, now will explain in more detail the present invention:
Fig. 1 discloses the partial section according to the present invention with the whizzer of sensor device.
Fig. 2 discloses the sectional view of a part of the sensor device of Fig. 1.
The specific embodiment
Fig. 1 discloses the whizzer 1 with stationary housing 2 and centrifuge rotor 3, and centrifuge rotor 3 is provided in stationary housing 2 and rotates around rotation x.By schematically illustrated CD-ROM drive motor 5, via main shaft 4, drive centrifuge rotor 3.Whizzer 1 comprises entrance pipe and export pipeline, entrance pipe and export pipeline with 6 schematically illustrated and its configure in a manner known way.
And centrifuge rotor 3 comprises a plurality of nozzles 7, for discharging for example liquid of product, it for example can comprise mud or be comprised of mud.Nozzle 7 can be the nozzle of forever opening.Nozzle 7 is the nozzle for opening off and on alternately, and it is opened in a manner known way by the schematically illustrated valve disc 8 being arranged in centrifuge rotor 3.
Nozzle 7 is along surrounding's distribution of centrifuge rotor 3 or preferably distribution equably.In nozzle 7 outsides, induction element 9 is set.The product that induction element 9 is configured to receive and be guided through nozzle 7 discharges with suitable method from stationary housing 7 and whizzer 1 out.
For the sensor device of sense vibrations, be also arranged to be connected to whizzer 1 or be a part for whizzer 1.Sensor device comprises transfer element 21, transfer element 21 by suitable material for example metal material make.
In the disclosed embodiment, " both have common elongated or staff-like shape for transfer element 21，Ji first 21 and second portion 21.Transfer element 21 extends at longitudinal direction x'.Longitudinal direction x' can be parallel to or be roughly parallel to rotation x.Longitudinal direction x' can allow to form certain angle with rotation x.But the 21' of ，Neng Jinshi first has described elongated shape.Be positioned at the second portion 21 in stationary housing outside and " can there is any other suitable shape and can be for example angled.
Therefore transfer element 21 is attached to whizzer 1 by suitable schematically disclosed retainer member 22 and more accurately in stationary housing 2, and retainer member 22 advantageously can be a part for sensor device but also can be the part of whizzer.Retainer member 22 is configured to extend through stationary housing 2 and is fixedly connected to stationary housing 2.Retainer member 22 is the center channel that tubulose and transfer element 21 extend through tubulose retainer member 22, as can be found out ground in Fig. 2.Retainer member 22 can be configured to sleeve, and transfer element 21 is incorporated in sleeve.
And transfer element 21 can be around longitudinal direction x' rotation, its energy sensing is from the direction of the product of nozzle 7 discharges.
Sensor device also comprises sensor element 25, and sensor element 25 is installed to the second portion 21 of transfer element 21 " upper, stationary housing 2, and in the disclosed embodiment near the outer end of transfer element 21.Sensor element 25 can comprise accelerometer, preferably linear accelerometer or consisting of.Accelerometer can comprise piezoelectric element or be comprised of piezoelectric element.When such piezoelectric element is for example out of shape due to vibration, it generates the signal that is voltage form.
Sensor device also comprises assessment unit 26, and assessment unit 26 is communicated by letter with sensor element 25, for example, wirelessly or via pipeline 27, for signal is transferred to assessment unit 26 from sensor element 25.Assessment unit 26 comprises processor 28 and is configured to explain the signal being generated by sensor element 25.Assessment unit 26 also comprises display, and display for example can comprise oscillograph.Pipeline 27 comprises Zener barrier 29.Assessment unit 26 also can be communicated by letter with drive member 24 and be limited Receiver 23 especially with respect to the signal of the position of nozzle 7 for receiving.
In the situation that nozzle 7 can be opened off and on, sensor device can operate as follows, even when proper nozzle 7 is opened within short time interval, to discharge products from centrifuge rotor 3 at a high speed.Such product will clash into receiving element 21 and Receiver 23 more accurately.Vibration will generate in transfer element 21, and it propagates into sensor element 25 via wall 30.Then the signal being generated by sensor element 25 is transported to assessment unit 26 and is processed by processor 28.Assessment unit 26 is configured to analyze signal and definite a plurality of different parameters and the state from sensor element 25.Resulting signal can for example comprise following parameter:
Peak value
Rise time
Landing time
Width
Surface (surface).
Utilize these parameters, can obtain the knowledge about product discharge.For example, can mention and can suppose surface and flow, the product volume discharging by nozzle 7 is proportional.Assessment unit 26 also can be suitable for detecting one or more whether leakage the in nozzle 7.If produce such leakage, the product of less amount will roughly discharge and clash into the Receiver 23 of transfer element 21 constantly.Equally, then will generate vibration, and propagate into sensor element 25, sensor element 25 is delivered to assessment unit 26 by corresponding signal.Then assessment unit 26 for example can be configured to user, to provide the information about current leakage by the alarm of any type.It should be noted that sensor device is very sensitive and can leakage be detected at commitment very, wherein can take suitable reclamation activities.
And sensor device can be used for detecting for controlling may the leaking of operating liquid of the position of valve disc 8.
What should also be pointed out that is the rotary speed that sensor device and assessment unit 26 can be configured to be used to the calculated signals centrifuge rotor of autobiography sensor component 25.In conjunction with the position of the detection of determining, leaking of rotary speed and possible nozzle 7, can be calculated by the processor 28 of assessment unit 26 which in nozzles 7 may leak.
In the situation that nozzle 7 is forever opened, the signal that sensor device and assessment unit 26 can be configured to be used to autobiography sensor 25 calculates the rotary speed of centrifuge rotor 3.And in the case, the signal acquisition that can be used to autobiography sensor component 25 is about information and the knowledge of the product of discharge, as the emission direction of product with from position or the path of the product of nozzle 7.In the case, whether sensor device can be used for by determining that the product flow of discharge detects any nozzle in nozzle 7 blocked or start to stop up.
Finally, what should also be pointed out that is that sensor device and assessment unit 26 can detect from the vibration that not send in other source of nozzle 7, and various defects in whizzer 1 for example, such as the play in bearing etc. etc.Can suppose that such defect will cause being different from the frequency vibration of the frequency of product leakage and discharge, and therefore these defects can be detected.
The present invention is not limited to the disclosed embodiments, but can make within the scope of the appended claims, revises and changes.
Claims (15)
1. the sensor device for whizzer (1), described whizzer (1) has stationary housing (2) and centrifuge rotor (3), centrifuge rotor (3) is arranged in described stationary housing (2) and is arranged to and comprises for a plurality of nozzles (7) from described centrifuge rotor (3) discharge product around rotation (x) rotation and it with certain rotation speed, wherein, described sensor device comprises:
Transfer element (21), its have first (21') and second portion (21 ") and its are configured to install as follows; make described first (21') be positioned at described stationary housing (2) inner side and described centrifuge rotor (3) outside; and described second portion (21 ") are positioned at outside described stationary housing (2), wherein, the described first (21') of at least described transfer element (21) has elongated shape and (x') extension along the longitudinal direction
Receiver (23), its described first (21') by described transfer element (21) forms,
Sensor element (25), its be installed to transfer element (21) second portion (21 ") upper and its be configured to sensing and from described Receiver (23), propagate into the vibration of described sensor element (25), and
Assessment unit (26), it is communicated by letter with described sensor element (25), so that signal is transferred to described assessment unit (26) from described sensor element (25),
It is characterized in that, described transfer element configures as follows, make it to move as follows with respect to described centrifuge rotor (3) and described stationary housing (2), make to adjust along described rotation (x) position of described Receiver (23).
2. sensor device according to claim 1, it is characterized in that, described sensor device comprises retainer member (22), described retainer member (22) is configured to extend through described stationary housing (2) and is fixedly connected to described stationary housing (2), wherein, described transfer element (21) is arranged in described retainer element (22) movably.
3. sensor device according to claim 2, is characterized in that, described transfer element (21) can be along described longitudinally (x') displacement.
4. according to the sensor device described in any one in claim 2 and 3, it is characterized in that, described transfer element (21) can be shifted around described longitudinal direction (x').
5. according to the sensor device described in any one in aforementioned claim, it is characterized in that, described sensor element (25) is arranged at described transfer element (21) central authorities with respect to described longitudinal direction (x').
6. according to the sensor device described in any one in aforementioned claim, it is characterized in that, described transfer element (21) is made by the material that is configured to allow described vibration to propagate into sensor element (25) from described Receiver (23).
7. sensor device according to claim 6, it is characterized in that, described transfer element (21) is for having the tubulose of described material walls (30), described material walls (30) forms closed inner space (31), wherein, described wall (30) is suitable for allowing vibration to propagate into sensor element (25) from described Receiver (23).
8. sensor device according to claim 7, is characterized in that, described closed inner space (31) is filled with attenuating material.
9. according to the sensor device described in any one in aforementioned claim, it is characterized in that, described sensor element (25) comprises accelerometer.
10. according to the sensor device described in any one in aforementioned claim, it is characterized in that, described assessment unit (26) is communicated by letter via the pipeline (27) that comprises Zener barrier (29) with described sensor element (25).
11. according to the sensor device described in any one in aforementioned claim, it is characterized in that, described assessment unit (26) is configured to utilize described signal to calculate the rotary speed of described centrifuge rotor (3).
12. according to the sensor device described in any one in aforementioned claim, it is characterized in that, described nozzle (7) comprises the nozzle that can open off and on, and wherein, described assessment unit (26) is configured to utilize described signal to determine may leak from described nozzle (7).
13. 1 kinds of whizzers, it has stationary housing (2) and centrifuge rotor (3), described centrifuge rotor (3) is arranged in described stationary housing (2) and is arranged to and comprises for a plurality of nozzles (7) from described centrifuge rotor (3) discharge product around rotation (x) rotation and it with certain rotation speed, wherein, described whizzer comprises according to the sensor device described in any one in aforementioned claim.
14. whizzers according to claim 13, is characterized in that, described nozzle is forever opened.
15. whizzers according to claim 13, is characterized in that, described nozzle can be opened off and on.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1150439A SE535842C2 (en) | 2011-05-16 | 2011-05-16 | Sensor device and centrifugal separator |
| SE1150439-6 | 2011-05-16 | ||
| PCT/SE2012/050454 WO2012158093A1 (en) | 2011-05-16 | 2012-05-03 | A sensor device for a centrifugal separator and a centrifugal separator with such a sensor. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103561872A true CN103561872A (en) | 2014-02-05 |
| CN103561872B CN103561872B (en) | 2015-04-01 |
Family
ID=47177184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280023570.1A Active CN103561872B (en) | 2011-05-16 | 2012-05-03 | A sensor device for a centrifugal separator and a centrifugal separator with such a sensor. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2709767B1 (en) |
| CN (1) | CN103561872B (en) |
| BR (1) | BR112013027223B1 (en) |
| SE (1) | SE535842C2 (en) |
| WO (1) | WO2012158093A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107430147A (en) * | 2015-03-27 | 2017-12-01 | 阿尔法拉瓦尔股份有限公司 | Whizzer with the system for detecting rotation |
| CN108722689A (en) * | 2018-07-02 | 2018-11-02 | 南京中船绿洲机器有限公司 | A kind of spray nozzle type disc separator anti-block system and its control method |
| CN109311030A (en) * | 2016-06-23 | 2019-02-05 | 阿法拉伐股份有限公司 | Whizzer with sensor device |
| CN116764824A (en) * | 2023-08-25 | 2023-09-19 | 山东万佳食品有限公司 | Centrifuge for monosodium glutamate production |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729585B (en) * | 2015-03-13 | 2017-07-28 | 河南理工大学 | The measuring method and its device of a kind of mechanical coal-mine water-house depth of water water level |
| DE102019131509A1 (en) * | 2019-11-21 | 2021-05-27 | Gea Mechanical Equipment Gmbh | Nozzle monitoring device for a nozzle centrifuge, nozzle centrifuge, and method for monitoring nozzles of a nozzle centrifuge |
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| US3560125A (en) * | 1968-07-08 | 1971-02-02 | Pennwalt Corp | Centrifuge apparatus |
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- 2012-05-03 BR BR112013027223-6A patent/BR112013027223B1/en active IP Right Grant
- 2012-05-03 WO PCT/SE2012/050454 patent/WO2012158093A1/en active Application Filing
- 2012-05-03 EP EP12785921.3A patent/EP2709767B1/en active Active
- 2012-05-03 CN CN201280023570.1A patent/CN103561872B/en active Active
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| CN101384371A (en) * | 2006-02-13 | 2009-03-11 | 阿尔法拉瓦尔股份有限公司 | Method for supervising a centrifugal separator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107430147A (en) * | 2015-03-27 | 2017-12-01 | 阿尔法拉瓦尔股份有限公司 | Whizzer with the system for detecting rotation |
| US10955432B2 (en) | 2015-03-27 | 2021-03-23 | Alfa Laval Corporate Ab | Centrifugal separator having a system for detecting rotation |
| CN109311030A (en) * | 2016-06-23 | 2019-02-05 | 阿法拉伐股份有限公司 | Whizzer with sensor device |
| CN108722689A (en) * | 2018-07-02 | 2018-11-02 | 南京中船绿洲机器有限公司 | A kind of spray nozzle type disc separator anti-block system and its control method |
| CN116764824A (en) * | 2023-08-25 | 2023-09-19 | 山东万佳食品有限公司 | Centrifuge for monosodium glutamate production |
| CN116764824B (en) * | 2023-08-25 | 2023-11-07 | 山东万佳食品有限公司 | Centrifuge for monosodium glutamate production |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2709767A1 (en) | 2014-03-26 |
| SE535842C2 (en) | 2013-01-08 |
| CN103561872B (en) | 2015-04-01 |
| BR112013027223A2 (en) | 2016-12-27 |
| EP2709767A4 (en) | 2015-04-08 |
| SE1150439A1 (en) | 2012-11-17 |
| EP2709767B1 (en) | 2019-11-06 |
| BR112013027223B1 (en) | 2021-03-30 |
| WO2012158093A1 (en) | 2012-11-22 |
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